Skid Marks Airport (ICAO: AK67) is a small private general aviation airstrip located near Willow, Alaska, in the United States. It is a privately owned facility not open to the public and serves personal or light aircraft operations in the Matanuska-Susitna Borough region. The airport has no scheduled commercial airline service and is typical of the numerous small private airstrips found throughout rural Alaska, which rely on general aviation for access to remote areas. No IATA code has been assigned to this facility.